(a) image
(b) Ground Truth
(c) NFA+RNFA, R =0.88, P = 0.75, F = 0.81
(d) RNFAEdge, R =0.81, P = 0.86, F = 0.83
(e) CannyLines, R =0.87, P = 0.75, F = 0.81
(f) EDLines, R =0.76, P = 0.69, F = 0.72
(g) LSD, R =0.87, P = 0.79, F = 0.83